aboutsummaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/torture/stackalign/push-1.c
blob: dd5dffc1581cc686945547a227c052dadb6afd7c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/* PR middle-end/37010 */
/* { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
/* { dg-options "-msse2 -mpreferred-stack-boundary=2" } */
/* { dg-require-effective-target sse2_runtime } */

#include <emmintrin.h>

typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));
typedef int aligned __attribute__((aligned(16)));

extern void abort (void);

__m128 r;

int
__attribute__ ((noinline))
check_int (int *i, int align)
{
  *i = 20;
  if ((((ptrdiff_t) i) & (align - 1)) != 0)
    {
      abort ();
    }
  return *i;
}

void
__attribute__ ((noinline))
foo (__m128 x, __m128 y ,__m128 z ,__m128 a, int size)
{
  aligned i;

  if (size != 5 || check_int (&i, __alignof__(i)) != i)
    abort ();

  r = a;
}

int
main (void)
{
  __m128 x = { 1.0 };

  foo (x, x, x, x, 5);

  if (__builtin_memcmp (&r, &x, sizeof (r)))
    abort ();

  return 0;
}